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Chromogranin A
MessagePatient Preparation: Proton pump inhibitor medications should be discontinued for at least 2 weeks before collection. Collect a full tube, following standard venipuncture techniques.
Test Code
LAB3019 CHRMA
Alias/See Also
CHRMA
CPT Codes
86316
Includes
@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@
Instructions
Processing Instructions (Lab use only): Centrifuge and aliquot serum into plastic vial. Do not submit in original tube Minimum Testing Volume: 0.2 mL Serum Transport Temperature: Frozen Stability: Ambient: 48 hoursRefrigerated : 48 hoursFrozen: 90 days Causes for Rejection: Gross hemolysis
Report Available
4-Days
Clinical Significance
1230170028
Last Updated: May 18, 2026